[INFO] cloning repository https://github.com/franleplant/lisp2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/franleplant/lisp2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffranleplant%2Flisp2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffranleplant%2Flisp2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd1c55af3e78de872b680342fd8fb4711d84bb56
[INFO] testing franleplant/lisp2018 against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffranleplant%2Flisp2018" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/franleplant/lisp2018 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/franleplant/lisp2018
[INFO] finished tweaking git repo https://github.com/franleplant/lisp2018
[INFO] tweaked toml for git repo https://github.com/franleplant/lisp2018 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/franleplant/lisp2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b43d94e1d84c36b23cf7d62ab3bf57ce11fbedd102752980b7ed5723baff8fba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b43d94e1d84c36b23cf7d62ab3bf57ce11fbedd102752980b7ed5723baff8fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b43d94e1d84c36b23cf7d62ab3bf57ce11fbedd102752980b7ed5723baff8fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43d94e1d84c36b23cf7d62ab3bf57ce11fbedd102752980b7ed5723baff8fba", kill_on_drop: false }`
[INFO] [stdout] b43d94e1d84c36b23cf7d62ab3bf57ce11fbedd102752980b7ed5723baff8fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ffb4db1e5618e2675b8b388f499cd00d02d750cad6a8b4e7af3968d0adefe3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6ffb4db1e5618e2675b8b388f499cd00d02d750cad6a8b4e7af3968d0adefe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling frd_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stdout]      |
[INFO] [stdout] 5814 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stdout]      |
[INFO] [stdout] 5825 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stdout]      |
[INFO] [stdout] 5836 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stdout]      |
[INFO] [stdout] 5847 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stdout]      |
[INFO] [stdout] 5937 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stdout]      |
[INFO] [stdout] 1919 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stdout]      |
[INFO] [stdout] 3379 |         pub fn new() -> ListParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stdout]      |
[INFO] [stdout] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stdout]      |
[INFO] [stdout] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stdout]      |
[INFO] [stdout] 5814 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stdout]      |
[INFO] [stdout] 5825 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stdout]      |
[INFO] [stdout] 5836 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stdout]      |
[INFO] [stdout] 5847 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stdout]      |
[INFO] [stdout] 5937 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stdout]      |
[INFO] [stdout] 1919 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stdout]      |
[INFO] [stdout] 3379 |         pub fn new() -> ListParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_atom`
[INFO] [stdout]   --> src/ast.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_list`
[INFO] [stdout]   --> src/ast.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn is_list(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_atom`
[INFO] [stdout]   --> src/ast.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn expect_atom(self, error_message: &str) -> Atom {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_list`
[INFO] [stdout]   --> src/ast.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn expect_list(self, error_message: &str) -> Vec<Expr> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_global`
[INFO] [stdout]   --> src/env.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_global(&self, key: String, value: Rc<LispValue>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stdout]      |
[INFO] [stdout] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stdout]      |
[INFO] [stdout] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval`
[INFO] [stdout]   --> src/eval.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn eval(source: &str) -> Vec<Rc<LispValue>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Id`
[INFO] [stdout]   --> src/lisp_value.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Id(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "a6ffb4db1e5618e2675b8b388f499cd00d02d750cad6a8b4e7af3968d0adefe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ffb4db1e5618e2675b8b388f499cd00d02d750cad6a8b4e7af3968d0adefe3", kill_on_drop: false }`
[INFO] [stdout] a6ffb4db1e5618e2675b8b388f499cd00d02d750cad6a8b4e7af3968d0adefe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9669cb2a244ebc9f9eca3a4f9ebcbce1db8e261d0f877454cbd53d32d382cbfc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9669cb2a244ebc9f9eca3a4f9ebcbce1db8e261d0f877454cbd53d32d382cbfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling frd_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stdout]      |
[INFO] [stdout] 5814 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stdout]      |
[INFO] [stdout] 5825 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stdout]      |
[INFO] [stdout] 5836 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stdout]      |
[INFO] [stdout] 5847 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stdout]      |
[INFO] [stdout] 5937 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stdout]      |
[INFO] [stdout] 1919 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stdout]      |
[INFO] [stdout] 3379 |         pub fn new() -> ListParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stdout]      |
[INFO] [stdout] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stdout]      |
[INFO] [stdout] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stdout]      |
[INFO] [stdout] 5814 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stdout]      |
[INFO] [stdout] 5825 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stdout]      |
[INFO] [stdout] 5836 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stdout]      |
[INFO] [stdout] 5847 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stdout]      |
[INFO] [stdout] 5937 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stdout]      |
[INFO] [stdout] 1919 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stdout]      |
[INFO] [stdout] 3379 |         pub fn new() -> ListParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_atom`
[INFO] [stdout]   --> src/ast.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_list`
[INFO] [stdout]   --> src/ast.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn is_list(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_atom`
[INFO] [stdout]   --> src/ast.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn expect_atom(self, error_message: &str) -> Atom {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_list`
[INFO] [stdout]   --> src/ast.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn expect_list(self, error_message: &str) -> Vec<Expr> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_global`
[INFO] [stdout]   --> src/env.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_global(&self, key: String, value: Rc<LispValue>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stdout]      |
[INFO] [stdout] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stdout]      |
[INFO] [stdout] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval`
[INFO] [stdout]   --> src/eval.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn eval(source: &str) -> Vec<Rc<LispValue>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Id`
[INFO] [stdout]   --> src/lisp_value.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Id(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/basics.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stdout]      |
[INFO] [stdout] 5814 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stdout]      |
[INFO] [stdout] 5825 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stdout]      |
[INFO] [stdout] 5836 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stdout]      |
[INFO] [stdout] 5847 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stdout]      |
[INFO] [stdout] 5937 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stdout]      |
[INFO] [stdout] 5814 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stdout]      |
[INFO] [stdout] 5825 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stdout]      |
[INFO] [stdout] 5836 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stdout]      |
[INFO] [stdout] 5847 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stdout]      |
[INFO] [stdout] 5937 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stdout]      |
[INFO] [stdout] 5803 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lisp_value.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stdout]      |
[INFO] [stdout] 1919 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stdout]      |
[INFO] [stdout] 3379 |         pub fn new() -> ListParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stdout]      |
[INFO] [stdout] 1919 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stdout]      |
[INFO] [stdout] 3379 |         pub fn new() -> ListParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_atom`
[INFO] [stdout]   --> src/ast.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_list`
[INFO] [stdout]   --> src/ast.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn is_list(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_atom`
[INFO] [stdout]   --> src/ast.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn expect_atom(self, error_message: &str) -> Atom {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_list`
[INFO] [stdout]   --> src/ast.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn expect_list(self, error_message: &str) -> Vec<Expr> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_global`
[INFO] [stdout]   --> src/env.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_global(&self, key: String, value: Rc<LispValue>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         pub fn new() -> AtomParser {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stdout]      |
[INFO] [stdout] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stdout]      |
[INFO] [stdout] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval`
[INFO] [stdout]   --> src/eval.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn eval(source: &str) -> Vec<Rc<LispValue>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Id`
[INFO] [stdout]   --> src/lisp_value.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Id(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "9669cb2a244ebc9f9eca3a4f9ebcbce1db8e261d0f877454cbd53d32d382cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9669cb2a244ebc9f9eca3a4f9ebcbce1db8e261d0f877454cbd53d32d382cbfc", kill_on_drop: false }`
[INFO] [stdout] 9669cb2a244ebc9f9eca3a4f9ebcbce1db8e261d0f877454cbd53d32d382cbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a783a15977d56da5076b6375c537146eac9cc93c1b12565be762e9f72631835
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a783a15977d56da5076b6375c537146eac9cc93c1b12565be762e9f72631835", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stderr]      |
[INFO] [stderr] 5814 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stderr]      |
[INFO] [stderr] 5825 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stderr]      |
[INFO] [stderr] 5836 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stderr]      |
[INFO] [stderr] 5847 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stderr]      |
[INFO] [stderr] 5937 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:133:27
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:139:18
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stderr]      |
[INFO] [stderr] 1919 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stderr]      |
[INFO] [stderr] 3379 |         pub fn new() -> ListParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stderr]      |
[INFO] [stderr] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stderr]      |
[INFO] [stderr] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stderr]      |
[INFO] [stderr] 5814 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stderr]      |
[INFO] [stderr] 5825 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stderr]      |
[INFO] [stderr] 5836 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stderr]      |
[INFO] [stderr] 5847 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stderr]      |
[INFO] [stderr] 5937 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:133:27
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:139:18
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stderr]      |
[INFO] [stderr] 1919 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stderr]      |
[INFO] [stderr] 3379 |         pub fn new() -> ListParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_atom`
[INFO] [stderr]   --> src/ast.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_atom(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_list`
[INFO] [stderr]   --> src/ast.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn is_list(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expect_atom`
[INFO] [stderr]   --> src/ast.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn expect_atom(self, error_message: &str) -> Atom {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expect_list`
[INFO] [stderr]   --> src/ast.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn expect_list(self, error_message: &str) -> Vec<Expr> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_global`
[INFO] [stderr]   --> src/env.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn set_global(&self, key: String, value: Rc<LispValue>) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stderr]      |
[INFO] [stderr] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stderr]      |
[INFO] [stderr] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval`
[INFO] [stderr]   --> src/eval.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn eval(source: &str) -> Vec<Rc<LispValue>> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Id`
[INFO] [stderr]   --> src/lisp_value.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Id(String),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stderr]      |
[INFO] [stderr] 5814 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stderr]      |
[INFO] [stderr] 5825 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stderr]      |
[INFO] [stderr] 5836 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stderr]      |
[INFO] [stderr] 5847 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stderr]      |
[INFO] [stderr] 5937 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:133:27
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:139:18
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stderr]      |
[INFO] [stderr] 1919 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stderr]      |
[INFO] [stderr] 3379 |         pub fn new() -> ListParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5814:5
[INFO] [stderr]      |
[INFO] [stderr] 5814 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5825:5
[INFO] [stderr]      |
[INFO] [stderr] 5825 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5836:5
[INFO] [stderr]      |
[INFO] [stderr] 5836 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5847:5
[INFO] [stderr]      |
[INFO] [stderr] 5847 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5937:5
[INFO] [stderr]      |
[INFO] [stderr] 5937 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5803:5
[INFO] [stderr]      |
[INFO] [stderr] 5803 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn cmp(&self, other: &Func) -> Ordering {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:133:27
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn partial_cmp(&self, other: &Func) -> Option<Ordering> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lisp_value.rs:139:18
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn eq(&self, other: &Func) -> bool {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:1919:16
[INFO] [stderr]      |
[INFO] [stderr] 1919 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:3379:16
[INFO] [stderr]      |
[INFO] [stderr] 3379 |         pub fn new() -> ListParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_atom`
[INFO] [stderr]   --> src/ast.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_atom(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_list`
[INFO] [stderr]   --> src/ast.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn is_list(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expect_atom`
[INFO] [stderr]   --> src/ast.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn expect_atom(self, error_message: &str) -> Atom {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expect_list`
[INFO] [stderr]   --> src/ast.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn expect_list(self, error_message: &str) -> Vec<Expr> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_global`
[INFO] [stderr]   --> src/env.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn set_global(&self, key: String, value: Rc<LispValue>) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:459:16
[INFO] [stderr]     |
[INFO] [stderr] 459 |         pub fn new() -> AtomParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:4845:16
[INFO] [stderr]      |
[INFO] [stderr] 4845 |         pub fn new() -> ProgramParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/frd_lisp-a3a47c792630e1ac/out/grammar.rs:5713:16
[INFO] [stderr]      |
[INFO] [stderr] 5713 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval`
[INFO] [stderr]   --> src/eval.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn eval(source: &str) -> Vec<Rc<LispValue>> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Id`
[INFO] [stderr]   --> src/lisp_value.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Id(String),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/basics.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/frd_lisp-050ecb204da5db8a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/frd_lisp-2b1f37869a8e3f46
[INFO] [stdout] test main_test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basics-011047285a3770bd
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests frd_lisp
[INFO] [stdout] test basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a783a15977d56da5076b6375c537146eac9cc93c1b12565be762e9f72631835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a783a15977d56da5076b6375c537146eac9cc93c1b12565be762e9f72631835", kill_on_drop: false }`
[INFO] [stdout] 1a783a15977d56da5076b6375c537146eac9cc93c1b12565be762e9f72631835